679945485 has 16 divisors (see below), whose sum is σ = 1117316736. Its totient is φ = 352836288.

The previous prime is 679945477. The next prime is 679945489. The reversal of 679945485 is 584549976.

It is not a de Polignac number, because 679945485 - 2³ = 679945477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679945489) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 612009 + ... + 613118.

It is an arithmetic number, because the mean of its divisors is an integer number (69832296).

Almost surely, 2^679945485 is an apocalyptic number.

It is an amenable number.

679945485 is a deficient number, since it is larger than the sum of its proper divisors (437371251).

679945485 is a wasteful number, since it uses less digits than its factorization.

679945485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1225172.

The product of its digits is 10886400, while the sum is 57.

The square root of 679945485 is about 26075.7643224508. The cubic root of 679945485 is about 879.3424344733.

The spelling of 679945485 in words is "six hundred seventy-nine million, nine hundred forty-five thousand, four hundred eighty-five".